Plunger rod



FIG. 1 is a front elevational view of a plunger rod showing my new design, the rear elevational view being identical thereto;

FIG. 2 is a top plan view thereof, the bottom plan view being identical thereto;

FIG. 3 is a right side elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is an enlarged view of the portion defined by lines 5-5 of FIG. 1;

FIG. 6 is a sectional view taken along line 6-6 of FIG. 3;

FIG. 7 is an enlarged sectional view of the portion defined by lines 7-7 of FIG. 6;

FIG. 8 is a perspective view thereof;

FIG. 9 is a perspective view thereof in a state of use; and,

FIG. 10 is a perspective view thereof in another state of use.

The broken lines are for the purpose of illustrating environmental structure only and form no part of the claimed design. 

CLAIM The ornamental design for a plunger rod, as shown and described. 